Home / 234,946.22-324,078.30-139,385.25

Finding the Fourth Proportional to 234,946.22, 324,078.30 and 139,385.25

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Solution

The fourth proportional to 234,946.22, 324,078.30 and 139,385.25 is: 192,264.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,946.22 : 324,078.30 = 139,385.25 : x
  2. Step 2: Convert to fraction form
    234,946.22/324,078.30 = 139,385.25/x
  3. Step 3: Cross multiply
    234,946.22x = 324,078.30 × 139,385.25
  4. Step 4: Simplify right side
    234,946.22x = 45,171,734,865.08
  5. Step 5: Solve for x
    x = 45,171,734,865.08/234,946.22
  6. Step 6: Final answer
    x = 192,264.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.